DEFNYX CTF & Security Events
Hands-on competitions to sharpen real-world skills.
All CTF Events
Join our Capture The Flag competitions and test your cybersecurity skills.
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Past CTFs
Review our completed events and learn from past challenges.
Completed
DEFNYX Student Cyber Games
A beginner-friendly CTF designed specifically for students to learn cybersecurity concepts through hands-on challenges.
10/12/2025
8 hours
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Organizations that support our mission to advance cybersecurity education.